High frequency arc stabilizer
US4767912A · kind A · utility
11Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 25, 1986 |
| Grant date | Aug 30, 1988 |
| Priority date | — |
| Expiry date | Aug 25, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K9/0673
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A high frequency arc stabilizing circuit includes a free running oscillator for generating a non-synchronized square wave. An output from the oscillator is buffered and inverted. The asserted and inverted outputs drive field effect transistors coupled to the primary of a high voltage step-up transformer. The circuit can also be gated so as to only operate during selected time intervals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.